Widely applicable: suitable for authorities, private use, family celebrations, and events. Professional accuracy: Equipped with precision semiconductor alcohol sensors to provide accurate measurement results. It is suitable for home users to gauge alcohol levels of friends or family in social situations. Easy to use: The alcohol detector is equipped with a rechargeable 300mAh battery and USB charging function. After only 10 seconds of warmingup time, breathing into the device for 5 seconds is sufficient. The LCD display shows the result within 3 seconds. Modern compact design: notcontact technology. Weighing only 25 grams, it can be carried in a handbag or pocket. After 10 seconds of inactivity, the device automatically shuts down to improve energy efficiency. Use scenarios: At home gatherings with friends and family to quickly gauge alcohol levels and support responsible choices. At private parties or family celebrations to help ensure safety and comfort for attendees. While traveling or attending events, the compact device allows quick, discreet checks on the go.